Research Article

New State Identification Method for Rotating Machinery under Variable Load Conditions Based on Hybrid Entropy Features and Joint Distribution Adaptation

Figure 7

The distribution patterns of SE on different IMF components. (a) The average SE values of each IMF component of different fault conditions. (b) 8 samples of ball fault. (c) 8 samples of inner race fault. (d) 8 samples of outer race fault.
(a)
(b)
(c)
(d)